PROPRIETARY NILOMAG alloy 77 Nickel Alloys

Material group: Nonferrous Alloys / Nickel Alloys
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2025-10
Total number of updates: 3
Update History
2018-10 2016-09

This material has 19 properties — only a subset is shown here.

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PROPRIETARY NILOMAG alloy 77 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Cu
VALUE
5.0
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
13.5
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mo
VALUE
4.2
UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0

Special Metals Corporation, Product Data Sheets,

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PROPRIETARY NILOMAG alloy 77 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
185 — 205 GPa
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Electrical Resistivity
0.6 Ω∙mm²/m
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Density
7.9 — 8.8 kg/dm³
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Electrical Conductivity
val1
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S/m
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Poisson Coefficient
val1
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This material has 19 properties — only a subset is shown here.

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PROPRIETARY NILOMAG alloy 77 Heat Treatments

  • 2-4 hours at 1100°C (2010°F) in dry hydrogen (dew point below -40°C (°F) followed by a furnace cool to 200°C (390°F) at approximately 78-118°C (140-212°F) per hour, then air cool to room temperature. Oil, grease, lacquer, and other contaminants should be removed before annealing, and individual parts separated by an inert insulating powder, such as magnesium or aluminum oxide, during annealing. For shielding applications, it is possible to obtain adequate properties using a protective atmosphere anneal at lower temperatures (1040°C (1900°F) minimum).

PROPRIETARY NILOMAG alloy 77 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
530 — 920 MPa
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Rockwell Hardness (HR)
30.5 — 86
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Vickers Hardness (HV)
≥ 170
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  • -Cross References
  • 4Composition
  • 6Mechanical Properties
  • 7Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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